20416130463506 has 4 divisors (see below), whose sum is σ = 30624195695262. Its totient is φ = 10208065231752.

The previous prime is 20416130463493. The next prime is 20416130463517. The reversal of 20416130463506 is 60536403161402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11320230348025 + 9095900115481 = 3364555^2 + 3015941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104032615875 + ... + 5104032615878.

Almost surely, 2^{20416130463506} is an apocalyptic number.

20416130463506 is a deficient number, since it is larger than the sum of its proper divisors (10208065231756).

20416130463506 is a wasteful number, since it uses less digits than its factorization.

20416130463506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208065231755.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 20416130463506 in words is "twenty trillion, four hundred sixteen billion, one hundred thirty million, four hundred sixty-three thousand, five hundred six".